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MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... the features.
The routine gets its instructions from three ... ORG=FN p(23730)+1: LOAD "MOVE_M" CODE ORG:
... (or STOP):
REM an error or STOP will automatically call ... ; GOSUB = line*256 for exception routine
;key = $FF to finish ... -
What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... snippet I can use to load a (headerless or not) block ... in my C games to load further levels from tape.
routine (It would suffice, any pointers ... I'm asking for a routine :)
No need for ... -
LZ4 decoderI encountered the [URL="http://code.google.com/p/lz4/"]LZ4 compressor[/URL] a few weeks ago. Reading the [URL="http://fastcompression.blogspot.co.uk…
... 15 ; check if any bits in the high nibble ... br /> ;; the lowest four bits set, i.e. four ... counter value.
;;
;; The routine leaves carry clear
.getlength ... LZ4 is used in "high compression" mode. The LZ4 decompressor ... -
IF1bis Communication ErrorHello again.... I've just been working again with my IF1bis, having had to re-install the basic and shadow ROMS (probably my fault corrupting the I…
... device I get a communication error. Device V seems to work ... ";1) I get the communication error. If I then look into ... , all I get is a load of ?????????? files that scrolls forever ... -
Troublesome routine, help needed!Having problems with this routine, it basically fires a rocket up the screen, but refuses to detect collisions. I'm using attribute blocks for detect…
Having problems with this routine, it basically fires ... allsorts to remedy this routine but nowt seems to ...
ld a,b ;load a with value of b ... br /> ld (rx5),a ;load co-ords into print string ... call print ;call the print routine
pop bc
... -
Simple memory transfer routineI'm looking for a simple memory transfer routine that shifts 32 bytes of data from the address HL is set to 55143, I have tried using LDIR, but cant …
... for a simple memory transfer routine that shifts 32 bytes of ... to be loaded
ldir ;load 32 bytes from level x ... -
Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... go through the whole initialization routine, halting with the first 1 ... ) suspecting some sort of excessive load on bit 5, put the ... resistance reading on all data bits, between both power rails.
SpecBAS 0.800 Released!Hi folks, it's that time again for another release. I was going to add a few more features, but I have other projects on the go at the moment, and it…
... to a better string copying routine
CONST name,value ... Added an Out of Memory error for overrunning the various ... return an "Invalid Keyword" error caused issues with the expression ... sprite, crashed specbas
LOAD "filename" BANK NEW now returns ...A possible up-to-date of Tape2WAV toolI was wondering if Mark Woodmass, the author of this simple but efficent converting tool could improve it in one thing I find quite useful for those …
... tracks on CDs and then load the programs using this format ... CD abruptly 'eat' the last bits of information, as it happened ... could have the choice to load the programs directly from CD ... the terrible R Tape Loading Error message or computer crash once ...Bypassing bits of faulty ULAs: the LOAD!Hi everybody, Recently I had a sick Spectrum sent to me. The symptoms were that the machine would run fine, except that it wouldn't load. The border…
... , except that it wouldn't load. The border would just stay ... working machine, that doesn't load either.
This made ...1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... I was getting the relevant error code back.
... DAC......but the m/code routine max integer is 65535...... ... ; // Take just the lowest 8 bits.
byte high = VALTOSEND ... ; // Shift the integer right 8 bits.
Here's ...Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…
... to use the ROM printer routine to print 32 characters each ... time the routine is called, updating the de ...
ld (point+2),a ;load de with new start of ...LOAD "" CODE in machine code/store 128 bank dataHow do you LOAD "" CODE from machine code? I have written the following MC routine that fits into a REM statement in a basic program. I want to cal…
... written the following MC routine that fits into a ... call the ROM's LOAD "" CODE routine, nothing fancy headerless loaders ... xor a ; quick way to load accumulator with zero.
... br /> call 3503 ; ROM routine - clears screen, opens chan 2 ...+3DOS routine missing in the +3 manualThe other day I realised the details of the +3DOS DOS DELETE routine are missing in the [url="http://www.worldofspectrum.org/ZXSpectrum128+3Manual/ch…
... of the +3DOS DOS DELETE routine are missing in the [url ... :
Carry false
A = Error code
Always:
BC ...Grammar-based data compressionI'm working on a game for the 48k Spectrum but want a way to compress a lot of screens into a small space, so I'm looking into data compression. Each…
... I'm looking into data compression. Each screen is an currently ... of tile indices with 4 bits per tile, so 352 bytes ... on a fast PC so compression space/time is not that ...Divide by 16 problem...I think.I *think* I have a problem with division. Now, this is not for the Spectrum but it [i]is [/i]for another Z80 platform. I'm converting [b]Speccies …
... why I'm using 16 bits to hold the position) the ... 'm not sure my division routine [i]is [/i]the problem ... /> As you can see I load the Xcoord into HL then ...Help!!! Loading problems.Hey guys. Just got my first spectrum sonce I was a kid. It's a 128k + toastrack. Was hoping to load tzx files from my phone. I've tried 3 different c…
... 128k + toastrack. Was hoping to load tzx files from my phone ... nexus 7 (with 2 different bits of software each) and my ... lines when I try to load but it rarely ever gets ... give me a tape loading error immediately after.
Obviously ...The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... devices -
LOAD D1"Filename" - Load Filename from Disk drive ... LOAD S1"Filename" - Load Filename from Serial Connection
LOAD * "Filename" - Load ... then it threw some error and said that it ... and optimized the FAT seek routine (which was hard work ...Mysterious error message ?Something just occurred to me, when I try to load certain JSW games which require 128k memory into my emulator in 48K mode I get this error message. …
... me, when I try to load certain JSW games which require ... 48K mode I get this error message.
4 Requires ... you as weird ? Is that error message in the original ROM ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... lower-order bits in n
INPUT ERROR now takes an ... curve algorithm for the CURVE routine - demo "ultraviolet" looks ...
Fixed cursor overwriting Error status letter
Fixed ... editor
Fixed erroneous error marker when executing an ...High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... SCORE)
LD DE,(FOURTH) ; load fourth score
AND A ... ---------
LD DE,COL_1 ; load the first colored row's ... /> RET ; exits the routine
PRINTNUM: ; routine by J. Cauldwell
A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
...
;A crude debounce routine to prevent
;registering keys ... ld e,(ix+2) ;load E with INK color
ld (23695),a ;load ATTR_T with the new attributes ... to fetch key code and load it into DE
...
ld a,e ;load A with E to compare ...New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... there are few compilations covering bits and pieces. I've been ... routines and RAM paging to load the snapshot from disk without ... is much better than z80 compression but it could be improved ...Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... error messages)
║ -m: dump memory banks and full compression ... do not add autorun basic routine to disk, useful if ... add
║ your own loader routine later
║ -h: make ... ;0x7fff) utility will exit with error.
║ 2: force 48k ...how can we load +3dos files in assembly?is there some way to load +3dos files in assembly, like calling bios routines somewhere? (like defining in registers the filename string address in m…
is there some way to load +3dos files in assembly, like calling bios routines somewhere? (like defining in registers the filename string address in memory, loading location, size, etc., and call the routine that loads it?)getting c nonsense in basic when trying to load a program through a string in +3 basicstrangely if i use load s$(to 8), it says nonsense in basic but works when i run it. but when i execute the command without a line no it works withou…
strangely if i use load s$(to 8), it says nonsense in basic but works when i run it. but when i execute the command without a line no it works without an error. why is this?New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…
... within a .TAP wrapper, zxsc compression
| both -s & ... |
| ZXSTLC -b MAIN.BIN LOAD START
|
| where ... a binary SPECTRUM file to load - normally composed
| ... br /> | the utility will error if the delta is not ...Killed Until Dead - Spectrum 128K versionI first got hold of this game about the same time as the film "Clue" started being shown on TV, and there was a "Miss Marple" series on TV, followed …
... code copies an appropriate input routine to $6000 and copies another ... rip out the tape loading routine and replace it with the ... go so there's one load, full stop. This might not ... can dig out a superb compression routine.
Anyway, a dump ...
